Nokia 1220 User Manual page 17

IMPORTANT BATTERY INFORMATION
Use the following guidelines to obtain the best performance from your
battery:
• With your phone turned off, charge your new battery for three hours
before its first use. Use the battery until it is fully discharged. Repeat
this procedure twice for a total of three charging cycles.
• Battery operation time may be less than the estimated times during
the first charges. This condition is normal.
• If the battery is fully discharged, the scrolling bars may not appear
immediately when charging.
• After the first charge, you can make and receive calls during the
charging cycle, but the calls interrupt the charge. When the phone
call ends, the charge will resume.
• The bars on the screen stop scrolling and remain constant when the
phone is charged. If you leave the phone connected to the charger,
the battery receives an additional charge.
Note: The battery will accept a "trickle charge" for an additional
two hours. See "Reference information" on page 94 for more
information on batteries.
• Charging time depends on the charger and battery used. See "Batteries"
on page104 for charging, talk, and standby times.
PROLONG BATTERY LIFE
For good operation times with NiMH batteries, discharge the battery from
time to time by leaving your phone switched on until it turns itself off.
Ignore any messages to recharge your battery and let the battery
completely discharge.
Important: Do not attempt to discharge the battery by any other
means.
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